HEADER CELL ADHESION 14-NOV-24 9ECM TITLE STRUCTURE OF THE HUMAN INTEGRIN ALPHAX TRANSMEMBRANE DOMAIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: INTEGRIN ALPHA-X; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CD11 ANTIGEN-LIKE FAMILY MEMBER C,LEU M5,LEUKOCYTE ADHESION COMPND 5 GLYCOPROTEIN P150,95 ALPHA CHAIN,LEUKOCYTE ADHESION RECEPTOR P150,95; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: ITGAX, CD11C; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI 'BL21-GOLD(DE3)PLYSS AG'; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 866768 KEYWDS INTEGRIN, CELL ADHESION, RECEPTOR EXPDTA SOLUTION NMR NUMMDL 21 AUTHOR T.S.ULMER,H.N.VU,A.J.SITU REVDAT 2 01-OCT-25 9ECM 1 JRNL REVDAT 1 24-SEP-25 9ECM 0 JRNL AUTH H.N.VU,M.LEE,A.J.SITU,W.AN,K.LEY,C.KIM,T.S.ULMER JRNL TITL FUNCTIONAL UNFOLDING OF THE INTEGRIN ALPHA X TRANSMEMBRANE JRNL TITL 2 HELIX. JRNL REF PROC.NATL.ACAD.SCI.USA V. 122 66122 2025 JRNL REFN ESSN 1091-6490 JRNL PMID 40956891 JRNL DOI 10.1073/PNAS.2507966122 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR NIH REMARK 3 AUTHORS : SCHWIETERS, KUSZEWSKI, TJANDRA AND CLORE REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 9ECM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-NOV-24. REMARK 100 THE DEPOSITION ID IS D_1000290193. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 313.2 REMARK 210 PH : 7.4 REMARK 210 IONIC STRENGTH : 0..025 REMARK 210 PRESSURE : 1 ATM REMARK 210 SAMPLE CONTENTS : 1.2 MM [U-100% 13C; U-100% 15N; REMARK 210 U-80% 2H] ALPHAX PEPTIDE, 350 MM 1,2-DIHEXANOLY-SN-GLYCERO-3- REMARK 210 PHOSPHOCHOLINE, 105 MM 1-PALMITOYL-2-OLEOYL-SN-GLYCERO-3- REMARK 210 PHOSPHOCHOLINE, 25 MM HEPES, 95% H2O/5% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 3D HNCA; 3D HNCACB; 3D HNCO; 3D REMARK 210 HN(CA)CO; 2D 1H-15N HSQC REMARK 210 SPECTROMETER FIELD STRENGTH : 700 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : CARA, NMRPIPE REMARK 210 METHOD USED : SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 26 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 21 REMARK 210 CONFORMERS, SELECTION CRITERIA : TARGET FUNCTION REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: NULL REMARK 215 REMARK 215 NMR STUDY REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION REMARK 215 NMR DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE THAT REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON REMARK 215 THESE RECORDS ARE MEANINGLESS. REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: A REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O GLU A 1079 H TYR A 1081 1.43 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 1 GLU A1079 -161.36 -56.35 REMARK 500 1 LYS A1080 44.20 -73.86 REMARK 500 1 TYR A1081 5.59 -68.53 REMARK 500 1 LYS A1082 1.49 -66.04 REMARK 500 1 HIS A1084 6.87 80.61 REMARK 500 1 ASN A1085 62.17 19.24 REMARK 500 1 VAL A1111 -9.01 -53.19 REMARK 500 1 ARG A1116 112.03 37.27 REMARK 500 1 GLN A1117 -175.27 -47.85 REMARK 500 1 TYR A1118 9.73 50.21 REMARK 500 2 LYS A1115 70.34 55.61 REMARK 500 3 TYR A1081 101.40 44.05 REMARK 500 4 PHE A1114 -13.62 -45.49 REMARK 500 4 GLN A1117 160.98 59.10 REMARK 500 5 GLN A1117 90.03 50.08 REMARK 500 8 ASN A1085 47.78 -140.07 REMARK 500 8 PHE A1114 -3.70 -49.04 REMARK 500 9 ASN A1085 54.96 78.13 REMARK 500 10 GLU A1079 86.93 40.32 REMARK 500 10 PHE A1114 -13.19 -44.94 REMARK 500 12 PHE A1113 -4.67 -59.49 REMARK 500 13 PHE A1114 -17.28 -45.29 REMARK 500 13 LYS A1115 116.15 -163.17 REMARK 500 13 GLN A1117 151.43 57.91 REMARK 500 14 ASN A1085 155.42 -42.07 REMARK 500 14 PHE A1114 -6.72 -49.49 REMARK 500 15 PHE A1113 -6.20 -58.21 REMARK 500 16 ASN A1085 98.18 -33.53 REMARK 500 16 PHE A1114 -12.04 -43.95 REMARK 500 16 GLN A1117 -18.65 56.87 REMARK 500 17 ASN A1085 77.81 -165.29 REMARK 500 18 PHE A1114 -12.43 -44.87 REMARK 500 19 ASN A1085 118.21 174.86 REMARK 500 20 ARG A1116 31.14 32.29 REMARK 500 21 ASN A1085 54.88 83.07 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 31215 RELATED DB: BMRB REMARK 900 STRUCTURE OF THE HUMAN INTEGRIN ALPHAX TRANSMEMBRANE DOMAIN DBREF 9ECM A 1079 1119 UNP P20702 ITAX_HUMAN 1098 1138 SEQADV 9ECM GLY A 1078 UNP P20702 EXPRESSION TAG SEQRES 1 A 42 GLY GLU LYS TYR LYS VAL HIS ASN PRO THR PRO LEU ILE SEQRES 2 A 42 VAL GLY SER SER ILE GLY GLY LEU LEU LEU LEU ALA LEU SEQRES 3 A 42 ILE THR ALA VAL LEU TYR LYS VAL GLY PHE PHE LYS ARG SEQRES 4 A 42 GLN TYR LYS HELIX 1 AA1 LYS A 1080 HIS A 1084 5 5 HELIX 2 AA2 PRO A 1086 VAL A 1111 1 26 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 1 ORIGX1 1.000000 0.000000 0.000000 0.00000 ORIGX2 0.000000 1.000000 0.000000 0.00000 ORIGX3 0.000000 0.000000 1.000000 0.00000 SCALE1 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000 MODEL 1 TER 692 LYS A1119 ENDMDL MODEL 2 TER 692 LYS A1119 ENDMDL MODEL 3 TER 692 LYS A1119 ENDMDL MODEL 4 TER 692 LYS A1119 ENDMDL MODEL 5 TER 692 LYS A1119 ENDMDL MODEL 6 TER 692 LYS A1119 ENDMDL MODEL 7 TER 692 LYS A1119 ENDMDL MODEL 8 TER 692 LYS A1119 ENDMDL MODEL 9 TER 692 LYS A1119 ENDMDL MODEL 10 TER 692 LYS A1119 ENDMDL MODEL 11 TER 692 LYS A1119 ENDMDL MODEL 12 TER 692 LYS A1119 ENDMDL MODEL 13 TER 692 LYS A1119 ENDMDL MODEL 14 TER 692 LYS A1119 ENDMDL MODEL 15 TER 692 LYS A1119 ENDMDL MODEL 16 TER 692 LYS A1119 ENDMDL MODEL 17 TER 692 LYS A1119 ENDMDL MODEL 18 TER 692 LYS A1119 ENDMDL MODEL 19 TER 692 LYS A1119 ENDMDL MODEL 20 TER 692 LYS A1119 ENDMDL MODEL 21 TER 692 LYS A1119 ENDMDL MASTER 135 0 0 2 0 0 0 6 329 1 0 4 END